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[69.222.133.165]) by smtp.gmail.com with ESMTPSA id f84sm33383540oig.43.2019.08.09.21.13.18 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Fri, 09 Aug 2019 21:13:18 -0700 (PDT) From: Jan Bobek To: qemu-devel@nongnu.org Date: Sat, 10 Aug 2019 00:12:28 -0400 Message-Id: <20190810041255.6820-13-jan.bobek@gmail.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190810041255.6820-1-jan.bobek@gmail.com> References: <20190810041255.6820-1-jan.bobek@gmail.com> MIME-Version: 1.0 X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:4864:20::344 Subject: [Qemu-devel] [RFC PATCH v2 12/39] target/i386: introduce gen_sse_ng X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Jan Bobek , =?utf-8?q?Alex_Benn=C3=A9e?= , Richard Henderson Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP This function serves as the point-of-intercept for all newly implemented instructions. If no new implementation exists, fall back to gen_sse. Note: This changeset is intended for development only and shall not be included in the final patch series. Signed-off-by: Jan Bobek Reviewed-by: Richard Henderson --- target/i386/translate.c | 27 ++++++++++++++++++++++++++- 1 file changed, 26 insertions(+), 1 deletion(-) diff --git a/target/i386/translate.c b/target/i386/translate.c index 258351fce3..fbf10b57a2 100644 --- a/target/i386/translate.c +++ b/target/i386/translate.c @@ -4489,6 +4489,31 @@ static void gen_sse(CPUX86State *env, DisasContext *s, int b) } } +static void gen_sse_ng(CPUX86State *env, DisasContext *s, int b) +{ + enum { + P_66 = 1 << (0 + 8), + P_F3 = 1 << (1 + 8), + P_F2 = 1 << (2 + 8), + W_0 = 0 << (3 + 8), + W_1 = 1 << (3 + 8), + M_0F = 1 << (4 + 8), + }; + + switch (b | M_0F + | (s->prefix & PREFIX_DATA ? P_66 : 0) + | (s->prefix & PREFIX_REPZ ? P_F3 : 0) + | (s->prefix & PREFIX_REPNZ ? P_F2 : 0) + | (REX_W(s) > 0 ? W_1 : W_0)) { + + default: + gen_sse(env, s, b); + return; + } + + g_assert_not_reached(); +} + /* convert one instruction. s->base.is_jmp is set if the translation must be stopped. Return the next pc value */ static target_ulong disas_insn(DisasContext *s, CPUState *cpu) @@ -8379,7 +8404,7 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu) case 0x1c2: case 0x1c4 ... 0x1c6: case 0x1d0 ... 0x1fe: - gen_sse(env, s, b); + gen_sse_ng(env, s, b); break; default: goto unknown_op;